CN203747978U - Bluetooth earphone based on integrated chip - Google Patents
Bluetooth earphone based on integrated chip Download PDFInfo
- Publication number
- CN203747978U CN203747978U CN201320849800.1U CN201320849800U CN203747978U CN 203747978 U CN203747978 U CN 203747978U CN 201320849800 U CN201320849800 U CN 201320849800U CN 203747978 U CN203747978 U CN 203747978U
- Authority
- CN
- China
- Prior art keywords
- integrated chip
- bluetooth earphone
- circuit
- connects
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000006870 function Effects 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Abstract
The utility model discloses a bluetooth earphone based on an integrated chip, comprising an integrated chip, a power supply circuit used for supplying power for the integrated chip, an oscillation circuit used for providing clock signals for the integrated chip, a memory used for storing music files, and a frequency modulation broadcasting module used for receiving frequency modulation broadcasting. The integrated chip is provided with a power supply circuit interface, a clock interface, a first signal input interface and a second signal input interface; the integrated chip is in connection with the power supply circuit through the power supply circuit interface, in connection with the oscillation circuit through the clock interface, in connection with the memory through the first signal input interface, and in connection with the frequency modulation broadcasting module through the second signal input interface. The bluetooth earphone based on an integrated chip of the scheme can increase a bluetooth earphone function and reduce product design complexity.
Description
Technical field
The utility model relates to terminal field, relates in particular to a kind of bluetooth earphone based on integrated chip.
Background technology
Along with the raising of people to wireless penetration communication requirement, bluetooth earphone is applied to Bluetooth technology on wireless headset, has exempted the worry that earphone cord is made troubles to user, has reduced the radiation of the intelligent terminal antennas such as mobile phone to user simultaneously.Therefore, the use of bluetooth earphone is more and more extensive.
Most bluetooth earphone function singleness, only has simple bluetooth conversation function, the realization of bluetooth earphone function often adopts the scheme of processor (MCU)+audio decoder chip+radio-frequency module, the bluetooth earphone function of this scheme is limited, and the core number relating to is more, design is complicated, is unfavorable for dwindling the volume of bluetooth earphone.
Utility model content
The purpose of this utility model is to propose a kind of bluetooth earphone based on integrated chip, increases the function of bluetooth earphone, reduces product design complexity.
For reaching this object, the utility model by the following technical solutions:
A kind of bluetooth earphone based on integrated chip, comprise: the integrated chip with microprocessor function, power circuit management function, digital signal processing function, multimedia signal dispose function and radio communication function, be used to the power circuit of described integrated chip power supply, be used to described integrated chip that the oscillating circuit of clock signal is provided, the memory of storage music file, and for receiving the FM broadcasting module of FM broadcasting;
Described integrated chip is provided with power circuit interface, clock interface, first signal input interface and secondary signal input interface;
Described integrated chip connects power circuit by described power circuit interface, connects oscillating circuit by described clock interface, by described first signal input interface connected storage, connects FM broadcasting module by described secondary signal input interface.
Wherein, also comprise reset circuit, described reset circuit is connected with described integrated chip.
Wherein, also comprise head circuit;
Described integrated chip is also provided with audio output interface, connects described head circuit by described audio output interface.
Wherein, described head circuit comprises: capacitor C 504, C506, C508, C520 and C521, resistance R 503, R504;
The anodal R503 one end that connects of described C504, negative pole connects C508 one end, C521 one end; The anodal R504 one end that connects of described C506, negative pole connects the C508 other end, C520 one end; The C520 other end, the equal ground connection of the C521 other end; The R503 other end, the R504 other end connect respectively at the left and right audio output port of integrated chip; C504 negative pole, C506 negative pole are also distinguished the left and right audio interface of frames connecting with headphone.
Wherein, also comprise microphone circuit;
Described integrated chip is also provided with audio input interface, connects described microphone circuit by described audio input interface.
Wherein, described microphone circuit comprises: resistance R 501, R502, R505 and R506, capacitor C 501, C507, C505 and C528;
Described C501 one end connects R502 one end, C505 one end, microphone one output interface, and the R502 other end connects R501 one end, C528 one end; Described C507 one end connects R505 one end, the C505 other end, another output interface of microphone, and the R505 other end connects R506 one end, the C528 other end, R506 other end ground connection; The described C501 other end, the C507 other end also connect respectively the audio input interface of integrated chip.
Wherein, also comprise: for described memory music file being carried out to the control circuit of Play Control, described control circuit is connected with described integrated chip.
Wherein, also comprise: for regulating the by-pass cock of FM broadcasting frequency range, described by-pass cock is connected with described FM broadcasting module.
Wherein, described integrated chip is MT6260 chip.
Wherein, described memory is TF card.
The beneficial effects of the utility model are: increased the function of bluetooth earphone, made bluetooth earphone not only have bluetooth conversation function, also had the function such as music, FM broadcast.In addition, also reduce design complexities, reduced enterprise's production cost.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing described below is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit block diagram of the bluetooth earphone that provides of the utility model embodiment one;
Fig. 2 is the reset circuit figure of the bluetooth earphone of the utility model embodiment;
Fig. 3 is the head circuit figure of the bluetooth earphone that provides of the utility model embodiment;
Fig. 4 is the microphone circuit figure of the bluetooth earphone that provides of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, technical scheme in the utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
Refer to Fig. 1, Fig. 1 is the circuit block diagram of the bluetooth earphone that provides of the utility model embodiment one.The bluetooth earphone of the present embodiment is based on an integrated chip, and for example the integrated chip 1 based on being integrated with microprocessor function, power circuit management function, digital signal processing function, multimedia signal dispose function and radio communication function designs.On this basis, also comprise again the power circuit 2 that is used to described integrated chip 1 to power, be used to described integrated chip 1 provide clock signal oscillating circuit 5, storage music file memory 4 and for receiving the FM broadcasting module 3 of FM broadcasting.The integrated chip 1 of the present embodiment is provided with power circuit interface, clock interface, first signal input interface and secondary signal input interface.Make integrated chip 1 to connect power circuit 2 by described power circuit interface, connect oscillating circuit 5 by described clock interface, by described first signal input interface connected storage 4, connect described FM broadcasting module 3 by described secondary signal input interface.
By the bluetooth earphone of above-described embodiment, after setting up bluetooth and be connected by integrated chip and mobile phone, can realize the call function of traditional bluetooth earphone.In addition, described integrated chip can also be play the music file in corresponding mobile phone according to user's needs, has both avoided the inconvenience of earphone cord, can not bother again other people.Described integrated chip can also need to obtain the music file in described memory and playing by the receiver of bluetooth earphone according to user.The preferred TF card of memory described in the present embodiment, to adapt to the Miniaturization Design of bluetooth earphone.The broadcast singal that described integrated chip also can receive described FM broadcasting module carries out Play Control.And, also can set up as required corresponding peripheral functional modules, so that bluetooth earphone has more function.
Therefore, the bluetooth earphone of the present embodiment had both had the call function of conventional earphone, also can play the music on mobile phone music or TF card, simultaneously also can listening in frequency modulation broadcast, enrich the function of bluetooth earphone, also the design cost and the design complexities degree that reduce product, be conducive to reduce enterprise's design cost simultaneously.
Further, the bluetooth earphone of the present embodiment also comprises reset circuit, and described reset circuit is connected with described integrated chip.In the time of system in case of system halt, long carry out system by switch switch by described reset circuit and restart.When concrete enforcement, described reset circuit tool can be preferably designed for circuit as shown in Figure 2, comprising: capacitor C 423, resistance R 420, R421, R425, triode Q403, Q404, diode D401.Its annexation and concrete parameter are chosen situation as shown in Figure 2.The current signal producing while growing by switch switch is inputted from the collector electrode 3 of triode Q403, passes through the processing of above-mentioned reset circuit and then realize system by the power management function of integrated chip 1 to restart.
Further, the bluetooth earphone of the present embodiment also comprises head circuit; Described integrated chip is also provided with audio output interface, connects described head circuit by described audio output interface.When concrete enforcement, above-mentioned head circuit can be designed to circuit diagram as shown in Figure 3, comprises resistance R 503 and R504, capacitor C 504, C506, C508, C520 and C521, the anodal contact resistance R503 of described capacitor C 504 one end, the other end connects capacitor C 508 one end, capacitor C 521 one end; Described capacitor C 506 contact resistance R504 one end, one end, the other end connects capacitor C 508 other ends, capacitor C 520 one end; Capacitor C 520 other ends, the equal ground connection of capacitor C 521 other end; The signal of left and right audio output port (MP3_OUTL and the MP3_OUTR) output of integrated chip is input to respectively resistance R 503 other ends, resistance R 504 other ends; Capacitor C 504 other ends, capacitor C 506 other ends also connect respectively MP3L interface and MP3R interface (outputing to the left and right audio interface of earphone).Concrete annexation and parameter are chosen situation as shown in Figure 3.This head circuit uses capacitance-resistance RC high pass filter, can regulate high pass cut off frequency by changing RC parameter value, changes low-frequency effect, simultaneously, also stopping direct current of capacitor C 504 and C506, coupling audio signal, capacitor C 508, C520 and C521 can be used for eliminating radio frequency interference.
Further, the bluetooth earphone of the present embodiment also comprises microphone circuit; Described integrated chip is also provided with audio input interface, connects described microphone circuit by described audio input interface.When concrete enforcement, above-mentioned microphone (MIC) circuit can be designed to circuit diagram as shown in Figure 4, comprise resistance R 501, R502, R505 and R506, capacitor C 501, C507, C505 and C528, described C501 one end connects R502 one end, C505 one end, microphone (MIC501) output interface, and the R502 other end connects R501 one end, C528 one end; Described C507 one end connects R505 one end, the C505 other end, another output interface of microphone, and the R505 other end connects R506 one end, the C528 other end, R506 other end ground connection; The described C501 other end, the C507 other end also connect respectively the audio input interface of integrated chip.Its concrete parameter is chosen situation as shown in Figure 4.Wherein C501 and the C507 audio signal that MIC receives that is mainly used in being coupled, C505 is mainly used in eliminating high-frequency signal and disturbs.
Preferably, bluetooth earphone of the present utility model is also provided with the control circuit for described memory music file being carried out to Play Control, and described control circuit is connected with described integrated chip 1.And being provided with the by-pass cock for regulating FM broadcasting frequency range, described by-pass cock is connected with described FM broadcasting module 3.When concrete enforcement, control key corresponding described control circuit can be arranged on to a side of the fuselage of bluetooth earphone, described by-pass cock be located to the opposite side of the fuselage of bluetooth earphone.
Preferably, this is implemented novel described integrated chip 1 and is preferably MT6260 chip.
Bluetooth earphone of the present utility model designs based on the higher integrated chip of integrated level, because described integrated chip can be realized the needed digital base band processor of bluetooth earphone and radio communication, only need to add simple peripheral power supply circuit and crystal oscillator clock signal etc., just can realize the design of blue tooth products.Both increase the function of bluetooth earphone, be conducive to again also reduce design complexities, reduced enterprise's production cost.
It should be noted that; the circuit elements device relating in above embodiment and setting parameter thereof are the preferred implementations drawing through repetition test, and other replacement schemes that those skilled in the art adopt according to thought of the present utility model also should belong to the scope of the utility model protection.
Finally it should be noted that: above embodiment is only for the technical solution of the utility model is described but not be limited, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can be modified or be equal to replacement the technical solution of the utility model, and these amendments or be equal to replacement and also can not make amended technical scheme depart from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. the bluetooth earphone based on integrated chip, it is characterized in that, comprise: the integrated chip with microprocessor function, power circuit management function, digital signal processing function, multimedia signal dispose function and radio communication function, be used to the power circuit of described integrated chip power supply, be used to described integrated chip that the oscillating circuit of clock signal is provided, the memory of storage music file, and for receiving the FM broadcasting module of FM broadcasting;
Described integrated chip is provided with power circuit interface, clock interface, first signal input interface and secondary signal input interface;
Described integrated chip connects power circuit by described power circuit interface, connects oscillating circuit by described clock interface, by described first signal input interface connected storage, connects FM broadcasting module by described secondary signal input interface.
2. bluetooth earphone according to claim 1, is characterized in that, also comprises reset circuit, and described reset circuit is connected with described integrated chip.
3. bluetooth earphone according to claim 1, is characterized in that, also comprises head circuit;
Described integrated chip is also provided with audio output interface, connects described head circuit by described audio output interface.
4. bluetooth earphone according to claim 3, is characterized in that, described head circuit comprises: capacitor C 504, C506, C508, C520 and C521, resistance R 503, R504;
The anodal R503 one end that connects of described C504, negative pole connects C508 one end, C521 one end; The anodal R504 one end that connects of described C506, negative pole connects the C508 other end, C520 one end; The C520 other end, the equal ground connection of the C521 other end; The R503 other end, the R504 other end connect respectively at the left and right audio output port of integrated chip; C504 negative pole, C506 negative pole are also distinguished the left and right audio interface of frames connecting with headphone.
5. bluetooth earphone according to claim 1, is characterized in that, also comprises microphone circuit;
Described integrated chip is also provided with audio input interface, connects described microphone circuit by described audio input interface.
6. bluetooth earphone according to claim 5, is characterized in that, described microphone circuit comprises: resistance R 501, R502, R505 and R506, capacitor C 501, C507, C505 and C528;
Described C501 one end connects R502 one end, C505 one end, microphone one output interface, and the R502 other end connects R501 one end, C528 one end; Described C507 one end connects R505 one end, the C505 other end, another output interface of microphone, and the R505 other end connects R506 one end, the C528 other end, R506 other end ground connection; The described C501 other end, the C507 other end also connect respectively the audio input interface of integrated chip.
7. bluetooth earphone according to claim 1, is characterized in that, also comprises: for described memory music file being carried out to the control circuit of Play Control, described control circuit is connected with described integrated chip.
8. bluetooth earphone according to claim 1, is characterized in that, also comprises: for regulating the by-pass cock of FM broadcasting frequency range, described by-pass cock is connected with described FM broadcasting module.
9. according to the arbitrary described bluetooth earphone of claim 1-8, it is characterized in that, described integrated chip is MT6260 chip.
10. according to the arbitrary described bluetooth earphone of claim 1-8, it is characterized in that, described memory is TF card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849800.1U CN203747978U (en) | 2013-12-20 | 2013-12-20 | Bluetooth earphone based on integrated chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849800.1U CN203747978U (en) | 2013-12-20 | 2013-12-20 | Bluetooth earphone based on integrated chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747978U true CN203747978U (en) | 2014-07-30 |
Family
ID=51347725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320849800.1U Expired - Lifetime CN203747978U (en) | 2013-12-20 | 2013-12-20 | Bluetooth earphone based on integrated chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989940A (en) * | 2018-10-30 | 2018-12-11 | 努比亚技术有限公司 | Bluetooth headset function is compatible with implementation method, device, bluetooth headset and storage medium |
-
2013
- 2013-12-20 CN CN201320849800.1U patent/CN203747978U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989940A (en) * | 2018-10-30 | 2018-12-11 | 努比亚技术有限公司 | Bluetooth headset function is compatible with implementation method, device, bluetooth headset and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205081933U (en) | Headphone | |
| CN204013669U (en) | A kind of cell-phone cover that possesses light prompting function | |
| CN203747978U (en) | Bluetooth earphone based on integrated chip | |
| CN206977651U (en) | The circuit structure of TWS Bluetooth earphone devices with WiFi function | |
| CN203563181U (en) | Mobile terminal having KTS sound effect | |
| CN201282497Y (en) | Device for implementing mobile phone clock function | |
| CN203883960U (en) | Portable multifunctional kalaok microphone | |
| CN201590828U (en) | Network radio | |
| CN207304828U (en) | A kind of earphone | |
| CN102984409A (en) | Wireless combination smart mobile phone with independent communication core and terminals | |
| CN205545775U (en) | Bluetooth headset with wired input | |
| CN212086427U (en) | High sampling rate bluetooth voice transmission system | |
| CN205160766U (en) | Portable multi -functional stereo set | |
| CN205545227U (en) | Adopt wireless receiver of VHFUHF frequency channel | |
| CN204993755U (en) | Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence | |
| CN204887097U (en) | Cell phone case of radio unit with it is independent | |
| CN203180920U (en) | Digital interphone characterized by dual-mode navigation | |
| CN205232431U (en) | Bluetooth sound box | |
| CN203466864U (en) | Bluetooth dialer | |
| CN201204599Y (en) | Wireless network card with radio function | |
| CN203466966U (en) | Single-chip multifunctional bluetooth loudspeaker box | |
| CN204069303U (en) | Portable blue-tooth audio amplifier | |
| CN204651962U (en) | A kind of portable power source with lantern slide or video playback | |
| CN205123718U (en) | Multi -functional binary channels FM receiving arrangement | |
| CN202949481U (en) | Wireless combined intelligent mobile phone with independent communication core and plural terminals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ZHUOYI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI TYD ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200233 Guiping Road, Xuhui District, No. 391, building 20, floor 3, Patentee after: SHANGHAI DROI TECHNOLOGY Co.,Ltd. Address before: 200233 Shanghai City, Xuhui District Guiping road B new Caohejing International Business Center No. 391 20 floor Patentee before: SHANGHAI TYD ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |